IPMAT Indore 2019 (MCQ) - A die is thrown three times and the sum of the three numbers is found to be 15. The probability that the first throw was a four is | PYQs + Solutions

IPMAT Indore 2019

Modern Math

Probability

Medium

A die is thrown three times and the sum of the three numbers is found to be 15. The probability that the first throw was a four is

\frac{1}{6}

\frac{1}{4}

\frac{1}{5}

\frac{1}{10}

✅ Correct Option: 3

Total cases

= 10

\therefore P(E)=\frac{2}{10}=\frac{1}{5}